diff --git a/src/CoreExtensions/ObjectData/IndexFieldSelection.php b/src/CoreExtensions/ObjectData/IndexFieldSelection.php
index 0aa8e7e7e..ba9157f98 100644
--- a/src/CoreExtensions/ObjectData/IndexFieldSelection.php
+++ b/src/CoreExtensions/ObjectData/IndexFieldSelection.php
@@ -23,14 +23,14 @@ class IndexFieldSelection
     public string $field;
 
     /**
-     * @var string|string[]|null
+     * @var string|string[]|int|null
      */
-    public string|array|null $preSelect;
+    public string|array|int|null $preSelect;
 
     /**
-     * @param string|string[] $preSelect
+     * @param string|string[]|int $preSelect
      */
-    public function __construct(?string $tenant, string $field, array|string|null $preSelect)
+    public function __construct(?string $tenant, string $field, array|string|int|null $preSelect)
     {
         $this->field = $field;
         $this->preSelect = $preSelect;
@@ -50,7 +50,7 @@ public function getField(): string
     /**
      * @param string|string[] $preSelect
      */
-    public function setPreSelect(array|string $preSelect): void
+    public function setPreSelect(array|string|int $preSelect): void
     {
         $this->preSelect = $preSelect;
     }
@@ -58,7 +58,7 @@ public function setPreSelect(array|string $preSelect): void
     /**
      * @return string|string[]|null
      */
-    public function getPreSelect(): array|string|null
+    public function getPreSelect(): array|string|int|null
     {
         return $this->preSelect;
     }
diff --git a/src/FilterService/FilterType/AbstractFilterType.php b/src/FilterService/FilterType/AbstractFilterType.php
index 153a7a5b2..5c69ec86c 100644
--- a/src/FilterService/FilterType/AbstractFilterType.php
+++ b/src/FilterService/FilterType/AbstractFilterType.php
@@ -81,7 +81,7 @@ protected function getTemplate(AbstractFilterDefinitionType $filterDefinition):
         return $template;
     }
 
-    protected function getPreSelect(AbstractFilterDefinitionType $filterDefinition): array|string|null
+    protected function getPreSelect(AbstractFilterDefinitionType $filterDefinition): array|string|int|null
     {
         $field = $filterDefinition->getField();
         if ($field instanceof IndexFieldSelection) {
diff --git a/src/Resources/public/js/indexfieldselectionfield/tags/indexFieldSelection.js b/src/Resources/public/js/indexfieldselectionfield/tags/indexFieldSelection.js
index bf9645805..f6fdde6cd 100644
--- a/src/Resources/public/js/indexfieldselectionfield/tags/indexFieldSelection.js
+++ b/src/Resources/public/js/indexfieldselectionfield/tags/indexFieldSelection.js
@@ -62,10 +62,10 @@ pimcore.object.tags.indexFieldSelection = Class.create(pimcore.object.tags.selec
                     load: function(store) {
                         if(this.data) {
                             if(this.preSelectCombobox.rendered) {
-                                this.preSelectCombobox.setValue(this.data.preSelect);
+                                this.preSelectCombobox.setValue(this.data.preSelect.split(',').map(Number));
                             } else {
                                 this.preSelectCombobox.addListener("afterRender", function() {
-                                    this.preSelectCombobox.setValue(this.data.preSelect);
+                                    this.preSelectCombobox.setValue(this.data.preSelect.split(',').map(Number));
                                 }.bind(this));
                             }
                         }
@@ -239,10 +239,10 @@ pimcore.object.tags.indexFieldSelection = Class.create(pimcore.object.tags.selec
 
         if(this.fieldConfig.multiPreSelect == 'local_single' || this.fieldConfig.multiPreSelect == 'local_multi') {
             if(this.preSelectCombobox.rendered) {
-                this.preSelectCombobox.setValue(this.data.preSelect);
+                this.preSelectCombobox.setValue(this.data.preSelect.split(',').map(Number));
             } else {
                 this.preSelectCombobox.addListener("afterRender", function() {
-                    this.preSelectCombobox.setValue(this.data.preSelect);
+                    this.preSelectCombobox.setValue(this.data.preSelect.split(',').map(Number));
                 }.bind(this));
             }
         }